A review and integrating analysis of Spatially-Variable Control of crop production John K. Schueller OriginalPaper Pages: 1 - 34
A comparison of seven soil P tests for plant species with different external P requirements grown on soils containing rock phosphate and superphosphate residues Vijay KumarR. J. GilkesM. D. A. Bolland OriginalPaper Pages: 35 - 45
Nitrogen fertilizer value of activated sewage derived protein: Effect of environment and nitrification inhibitor on NO 3 - release, soil microbial activity and yield of summer cabbage S. R. SmithP. Hadley OriginalPaper Pages: 47 - 57
Nitrogen mineralization, nitrate leaching and crop growth following cultivation of a temporary leguminous pasture in autumn and winter G. S. FrancisR. J. HaynesP. H. Williams OriginalPaper Pages: 59 - 70
Fate of nitrogen (15N) from oxamide and urea applied to turf grass: A lysimeter study M. De NobiliS. SantiC. Mondini OriginalPaper Pages: 71 - 79
Development and evaluation of an improved soil test for phosphorus: 1. The influence of phosphorus fertilizer solubility and soil properties on the extractability of soil P S. SaggarM. J. HedleyR. E. White OriginalPaper Pages: 81 - 91
Determination of hydroquinone and biuret in hydroquinone-containing urea fertilizer Zhao XiaoyanXie ConggeWu Zhonghang OriginalPaper Pages: 93 - 96